540243050421 has 8 divisors (see below), whose sum is σ = 758235860320. Its totient is φ = 341206137072.

The previous prime is 540243050357. The next prime is 540243050429. The reversal of 540243050421 is 124050342045.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 540243050421 - 2⁶ = 540243050357 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (540243050429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4738974070 + ... + 4738974183.

It is an arithmetic number, because the mean of its divisors is an integer number (94779482540).

Almost surely, 2^540243050421 is an apocalyptic number.

It is an amenable number.

540243050421 is a deficient number, since it is larger than the sum of its proper divisors (217992809899).

540243050421 is a wasteful number, since it uses less digits than its factorization.

540243050421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9477948275.

The product of its (nonzero) digits is 19200, while the sum is 30.

Adding to 540243050421 its reverse (124050342045), we get a palindrome (664293392466).

The spelling of 540243050421 in words is "five hundred forty billion, two hundred forty-three million, fifty thousand, four hundred twenty-one".